The question is from CAT Geometry - Triangles. In this problem two sides of a triangle are given and we have to find the third side for the maximum area of the triangle. CAT Geometry questions are heavily tested in CAT exam. Make sure you master Geometry problems. This problem shows that knowing all the formulae for computing area of a triangle helps.
Question 3: Sides of a triangle are 6, 10 and x for what value of x is the area of the โณ the maximum?
Side of a triangle are. 6, 10, x.
Area = 1/2 * 6 * 10 * sinโ BAC.
Area is maximum, when โ BAC = 90โฆ
x = โ(100+36) = โ136
There is a more algebraic method using heroโs formula. Try that also.
The question is "Sides of a triangle are 6, 10 and x for what value of x is the area of the โณ the maximum?"
Choice D is the correct answer.
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